The dynamics of a cylindrical zone of turbulent mixing in a longitudinal shear flow of a linearly stratified medium


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Resumo

A numerical model has been constructed and the investigation of the dynamics of a cylindrical localized region of turbulent disturbances in a longitudinal horizontally homogeneous shear flow of a linearly stratified fluid has been carried out. Computational results have shown a considerable generation of turbulence energy at the expense of shear flow gradients. It was also found that the shear flow affects weakly the internal waves generated at the evolution of the turbulent mixing zone.

Sobre autores

N. Moshkin

Lavrentyev Institute of Hydrodynamics SB RAS

Autor responsável pela correspondência
Email: moshkin@gmail.com
Rússia, Novosibirsk

A. Fomina

Novokuznetsk Institute (branch) of the Kemerovo State University

Autor responsável pela correspondência
Email: fav@rtdc.ru
Rússia, Novokuznetsk

G. Chernykh

Institute of Computational Technologies SB RAS; Novosibirsk State University

Autor responsável pela correspondência
Email: chernykh@ict.nsc.ru
Rússia, Novosibirsk; Novosibirsk

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Declaração de direitos autorais © Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, 2019